In the Organic Smell Identification Chemistry Laboratory Kit, students take a “whiff” of 20 volatile organic compounds having pleasant, familiar odors. Students will identify natural sources of the same scents and study their structure.
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Aromatherapy—it’s organic chemistry! Introduce students to the wide variety of organic compounds found in nature that are used in fragrances, flavorings and perfumes. Students are invited to take a “whiff” of 20 volatile organic compounds having pleasant, familiar odors and to identify natural sources of the same scents. A revised set of scent identification cards makes it easy for students to classify odors and match them with structures. All of the scents included in the kit are “essential oil” ingredients—isolated from flowers, fruits and vegetables—that give them their characteristic odors and flavors. These natural compounds are used as fragrance and flavor additives in perfumes, foods, cosmetics and pharmaceutical products. Geraniol, for example, is a major ingredient in the natural oils isolated from geraniums and roses and is used as both a perfume and insect attractant. Cinnamaldehyde, obtained from “oil of cinnamon,” is used as a flavoring agent in candies and foods. Certain to stimulate lively student discussion of the uses of organic chemicals in their everyday lives, this lab activity will teach students that chemistry makes scents! Includes an expanded discussion of the structures and fragrance and flavor applications of all the organic scent compounds. Recommended follow-up ideas and activities also provided.
Super Value Kit is complete with 20 reusable samples.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Developing and using models
Analyzing and interpreting data
Obtaining, evaluation, and communicating information
Disciplinary Core Ideas
MS-PS1.A: Structure and Properties of Matter
MS-LS1.D: Information Processing
HS-PS1.A: Structure and Properties of Matter
Structure and function
MS-PS1-1. Develop models to describe the atomic composition of simple molecules and extended structures.
MS-LS1-8. Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.
HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.